Graphic details about the steamy two-year sexual affair between a high school student and his gym teacher were revealed as the case continues a decade after their many dalliances.

The student, whose name has not been released because he was 15 at the time of the affair, said how the teacher brought grape soda along with them on their first romantic camping trip so that she could drink it after performing a sex act on him.

Tania Pontbriand, the gym teacher who denies having had sex with the then-teenage boy between 2002 and 2004, was not put on the stand in the latest round of questioning.

Charged: Tania Pontbriand, 40, is accused of having a two-year sexual relationship with a then-tee